Abstract
Scrutinizing functional nanosystems and relating details in their size, chemistry, and geometry to functionality remains a significant experimental challenge. Following the concept of indirect nanoplasmonic sensing (INPS), the exploitation of truncated Au nanocones with functionalized tips, nanofabricated in a one step, are used as single nanoplasmonic sensors for dark-field scattering spectroscopy measurements of the hydride formation Au in single Pd and Mg nanoparticles.
Highlights
Nanosystems can exhibit interesting novel chemical and physical properties and are widely exploited for their functionalities.[1,2,3,4,5,6] Scrutinizing such systems and relating, e.g., details in their chemistry and geometry to functionality, remains, a significant experimental challenge
In the field of nanoplasmonic sensing, the introduction of dark-field scattering spectroscopy (DFSS) has made it possible to study the optical properties of single nanoparticles and to study effects of particle size and particle shape[8] as well as the refractive index of the surrounding medium[9] on the localized surface plasmon resonance (LSPR) in single Au and Ag nanoparticles
The structures can be used for single-particle DFSS measurements on nanoparticles that are
Summary
Nanosystems can exhibit interesting novel chemical and physical properties and are widely exploited for their functionalities.[1,2,3,4,5,6] Scrutinizing such systems and relating, e.g., details in their chemistry and geometry to functionality, remains, a significant experimental challenge.
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